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([2602:ae:154e:c001:cfba:2f6a:7070:67a9]) by smtp.gmail.com with ESMTPSA id x17-20020a1709027c1100b001bb33ee4057sm3825087pll.43.2023.07.28.09.43.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Jul 2023 09:43:38 -0700 (PDT) Message-ID: <14787dc3-66ae-e15e-0bdf-14ca53bff17d@linaro.org> Date: Fri, 28 Jul 2023 09:43:36 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: assert fails in s390x TCG Content-Language: en-US From: Richard Henderson To: Claudio Fontana , Cornelia Huck Cc: qemu-devel , =?UTF-8?Q?Alex_Benn=c3=a9e?= References: <0e06f694-7aeb-66d1-48d8-317a93f8f741@suse.de> <6a3e8443-2d0a-451e-a481-cc26575d8211@linaro.org> In-Reply-To: <6a3e8443-2d0a-451e-a481-cc26575d8211@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.google.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.094, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 7/28/23 09:05, Richard Henderson wrote: > It's the page containing both code and a page table entry that concerns me.  It seems like > a kernel bug, though obviously we shouldn't crash.  I'm not sure what to do about it. Bah. Of course it's not a kernel bug, since the store is to LowCore. And of course LowCore is part of a larger page, which easily has other stuff. Still trying to work out what to do... r~